Moran said in a statement on Twitter that the bill "missed the mark," adding that he was "pleased" that the vote on the Senate bill was delayed by Republican leadership until after the July 4 recess.

"The Senate healthcare bill missed the mark for Kansans and therefore did not have my support," Moran wrote. "I am pleased with the decision to delay the vote – now is the time to take a step back and put the full legislative process to work."

The Club for Growth also announced its opposition on Tuesday to the Senate GOP's ObamaCare repeal-and-replace legislation, arguing it would make the United States' healthcare system worse.

The conservative group said the Senate bill would actually "restore" ObamaCare by creating new mandates and imposing taxes.

"Only in Washington does repeal translate to restore," Club for Growth President David McIntosh said in a statement. "Because that's exactly what the Senate GOP healthcare bill does: it restores Obamacare.

President Trump said Tuesday afternoon that Senate Republicans are getting "very close" to an agreement that would allow them to pass their embattled plan to repeal and replace ObamaCare.

"I think the Senate bill is going to be great," Trump said during a photo-op ahead of a meeting with nearly every Republican senator at the White House.

"This will be great if we get it done, and if we don't get it done, it's just going to be something that we're not going to like and that's OK and I understand that very well," he continued. "But I think we have a chance to do something very, very important for the public, very, very important for the people of our country that we love."

Premiums would increase for the "vast majority" of ObamaCare enrollees under the Senate Republican repeal bill, and especially for older and low-income people, a new study finds.

The study from the Kaiser Family Foundation finds that premiums would increase by an average of 74 percent, from $197 to $342, for the most popular type of plan.

The analysis looks at the cost of a mid-level "silver" plan after financial assistance is factored in. The GOP bill cuts back on that financial assistance, leaving most people to pay a higher share of premiums themselves.

The U.S. Chamber of Commerce urged Senate Republicans to repeal ObamaCare's "Cadillac Tax" on high-cost employer insurance plans in its healthcare replacement bill.

The tax isn't slated to go into effect until 2020, and the current Senate draft would further delay its implementation until 2026 to comply with the chamber's budget rules.

But the Chamber of Commerce and 28 other professional organizations want the Senate to scrap the tax permanently.

"As senators work to revise and amend this legislation to repeal and replace the [Affordable Care Act], we encourage you to protect the employer-sponsored system by fully repealing the ACA's 40% 'Cadillac Tax' and refrain from imposing any new taxes on employee health care benefits," the groups wrote in a letter to senators Tuesday.

Shares of Innate Immunotherapeutics fell more than 90 percent in Sydney after a multiple sclerosis drug being tested by the pharma company showed no signs of working.

Rep. Chris Collins (R-N.Y.), the largest stockholder in the company, lost roughly $17 million as Innate's stock price sunk after the news broke Tuesday morning, according to Bloomberg. Collins sits on the company's board of directors.

In a statement Tuesday, Collins called the failed clinical trial and subsequent drop in the stock price "disappointing," but said he and other investors knew they were taking a risk. Read more here.